Inventor
ISOGAI TOKIO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ISOGAI TOKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS4457161AJul 3, 1984
Gas detection device and method for detecting gas
HITACHI LTD147 citations97
US4638443AJan 20, 1987
Gas detecting apparatus
HITACHI LTD79 citations94
US4208005AJun 17, 1980
Method for mounting parts on circuit boards
HITACHI LTD97 citations93
US4586143AApr 29, 1986
Gas detecting apparatus
HITACHI LTD36 citations92
US4513132AApr 23, 1985
Heat-resistant silicone block polymer
HITACHI LTD43 citations92
US4486232ADec 4, 1984
Electrode material for semi-conductor devices
HITACHI LTD47 citations92
US4321319AMar 23, 1982
Photosensitive compositions containing polyamides acid with photosensitive groups
HITACHI LTD34 citations92
US4303443ADec 1, 1981
Electroless copper plating solution
HITACHI LTD29 citations92
US4220547ASep 2, 1980
Dielectric paste for thick film capacitor
HITACHI LTD32 citations92
US4145369AMar 20, 1979
Flame-retardant epoxy resin compositions
HITACHI LTD37 citations92
US4643913AFeb 17, 1987
Process for producing solar cells
HITACHI LTD48 citations91
US4451551AMay 29, 1984
Radiation-sensitive poly(amic acid) polymer composition
HITACHI LTD43 citations90
US4369208AJan 18, 1983
Process for producing transparent electroconductive film
HITACHI LTD25 citations82
US4324629AApr 13, 1982
Process for regenerating chemical copper plating solution
HITACHI LTD26 citations82
US4303554ADec 1, 1981
Composition and process for producing transparent conductive film
HITACHI LTD28 citations82
US4565767AJan 21, 1986
Light-sensitive polymer composition with poly(amic acid), bisazide, and tertiary amine compound
HITACHI LTD24 citations81
US4347166AAug 31, 1982
Thermistor composition
HITACHI LTD22 citations80
US4347304AAug 31, 1982
Process for forming metallic image
HITACHI LTD14 citations74
US4308571ADec 29, 1981
Low temperature-sinterable dielectric composition and thick film capacitor using the same
HITACHI LTD7 citations73
US4419506ADec 6, 1983
Radiation sensitive polymer materials
HITACHI LTD5 citations63
US4310563AJan 12, 1982
Method for automatically controlling composition of chemical copper plating solution
HITACHI LTD6 citations63